.m-blog-body{
    background: url("../images/adminManage.jpg");
    background-size: 100% 130%;
    overflow: auto;

}
.m-admin-type{
    background: url("../images/adminType.jpg");
    background-size: 50% 70%;
    overflow: auto;
}
.m-admin-tag{
    background: url("../images/adminTag.jpg");
    background-size: 50% 100%;
    overflow: auto;
}
.m-admin-add{
    background: url("../images/adminAdd.jpg");
    background-size: 100% 100%;
    overflow: auto;
}
.m-about{
    background: url("../images/back.jpg");
    background-size: 200% 250%;
    overflow: auto;
}
.m-blog-details{
    background: url("../images/xiangqing.jpg");
    background-size: 100% 120%;
    overflow: auto;
    z-index: 1;
}
.m-404{
    background: url("../images/404.jpg");
    background-size: 100% 100%;
    overflow: auto;
}